742686741 has 6 divisors (see below), whose sum is σ = 1072769750. Its totient is φ = 495124488.

The previous prime is 742686697. The next prime is 742686761. The reversal of 742686741 is 147686247.

It can be written as a sum of positive squares in only one way, i.e., 742344516 + 342225 = 27246^2 + 585^2 .

It is not a de Polignac number, because 742686741 - 2⁷ = 742686613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742686761) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41260366 + ... + 41260383.

Almost surely, 2^742686741 is an apocalyptic number.

It is an amenable number.

742686741 is a deficient number, since it is larger than the sum of its proper divisors (330083009).

742686741 is a wasteful number, since it uses less digits than its factorization.

742686741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82520755 (or 82520752 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 742686741 is about 27252.2795560298. The cubic root of 742686741 is about 905.5975179660.

The spelling of 742686741 in words is "seven hundred forty-two million, six hundred eighty-six thousand, seven hundred forty-one".